Daily Sunspot Evaluation
Observation Sheet Thursday, 22 September 1966
There is no typed record for this day. The values below were read by computer from the table on the sheet; when in doubt, see the drawing. Details →
- Number of groups (g)
- 4
- Number of spots (f)
- 49
- Relative number (R)
- 89
- Observer
- DK
- Reading
- counts consistent, some coordinates doubtful
- File
- 19660922.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 14 | 24 | 65E | 158 ⚠ | |||
| 2 | B – 6 | 6 | 38W | 256 | |||
| 3 | B – 7 | 12 | 76W | 294 | |||
| 4 | E – 22 | -12 | 12W | 230 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.